fits model: 370z. make: Nissan, Infiniti. year: 2009–2016.

( Brand: Infiniti ), ( Manufacturer Part Number: 849A7-JL00A ), ( Part Type: Tire Wheel ), ( Section Width: 145 ), ( Rim Diameter: 18 )
The Infiniti 849A7-JL00A spare tire donut wheel is an essential accessory designed specifically for the Nissan 370Z models produced between 2009 and 2016. This lightweight and compact wheel assembly is primarily intended for temporary use in case of a flat tire or road emergencies, enabling motorists to travel safely to the nearest service station.
The donut wheel, with the size T145/70R18, is meticulously engineered to fit flawlessly onto the vehicle's standard 18-inch rims. Constructed from a robust and durable material, this donut wheel ensures strong resistance against the stresses encountered during temporary use, maintaining the vehicle's handling and stability.
The tire features a limited tread design that varies from the original equipment tire, with a smaller diameter, and a distinct, flat profile. This ensures that the spare tire replicates the basic functionality and performance of the standard tire, although the tread pattern provides relatively poorer traction and heightened rolling resistance compared to a regular tire.
The donut wheel's compact design aids in improved maneuverability, making it easier to navigate around turns and making the vehicle more manageable in emergency situations. Additionally, it is designed to limit the added weight placed on the suspension system, ensuring a smoother ride and minimizing potential wear and tear on the vehicle's components.
When preparing for a journey, it is crucial to ensure the spare tire is correctly mounted and securely fastened to the wheel assembly, as stated in the vehicle's user manual. This simple yet vital accessory provides peace of mind for motorists, allowing them to prepare for potential road emergencies and ensuring their safety on the journey ahead.
Buying a spare tire donut wheel for a 2009-2016 Nissan 370Z with the Infiniti 849A7-JL00A part number represents an important investment for ensuring road safety. However, like any automotive component, there are pros and cons to consider before making a purchase.
Pros:1. Convenience: A spare donut wheel is highly convenient when dealing with a flat tire. It allows you to change the flat tire with a more manageable spare, providing mobility until you reach a service station.
2. Cost-effective: Donut wheels are often more affordable compared to a full-sized spare tire and wheel assembly. Running a donut wheel can save you the upfront cost of purchasing a new or unused tire and wheel combination.
3. Lightweight and compact: Donut wheels are designed to be lightweight and compact, contributing to reduced unsprung weight. This change can improve vehicle handling and responsiveness compared to using a heavy spare tire temporarily.
Cons:1. Limited durability: Donut wheels are designed to be temporary solutions for short-distance travel (around 50 miles). Prolonged use can lead to excessive heat generation, uneven wear, and potential failure.
2. Reduced performance: Donut wheels have smaller contact patches compared to standard tires. This reduction impacts vehicle handling, flexibility, and overall performance.
3. Safety concerns: Donut wheels do not provide the same level of safety as a full-sized spare tire. Their limited capabilities and durability increase the risk of accidents, especially during high-speed driving or when traversing challenging road conditions.
Ending Conclusion:A spare donut wheel can serve as a practical and cost-effective solution in the event of a flat tire. However, it's important to understand that it comes with inherent limitations, including limited durability, reduced performance, and safety concerns. Ultimately, the decision to use this type of spare tire depends on individual circumstances, priorities, and preferences.
Recommendation:If you're planning to frequently travel long distances or prefer maximum safety and performance during an emergency situation, consider purchasing a full-sized spare tire or two compact spares to ensure optimal peace of mind while on the road. However, if you're looking for a more affordable and less intrusive alternative, a donut wheel might be a suitable choice for short-term needs.
Please see all photos for visual reference. Spare tire only as shown in photos. Fast shipping.